/Engine/Source/Runtime/Engine/Public/SaveGameSystem.h
Indicates that an async savegame list names has completed. PlatformUserId, bool=success, FoundSaves. Should always be called from the game thread
typedef [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< void([FPlatformUserId](API\Runtime\Core\Misc\FPlatformUserId), bool, const [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > &)> FSaveGameAsyncGetNamesCallback